Product comparison · 2 internal hard drives

Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk vs Seagate Momentus 5400.2 40GB 8MB 25pk

17specifications compared
14differ
3identical
11known for one product only

Key differences

The Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk has 120 GB more HDD capacity than the Seagate Momentus 5400.2 40GB 8MB 25pk (160 GB vs 40 GB). The Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk has 1,800 RPM more HDD speed than the Seagate Momentus 5400.2 40GB 8MB 25pk (7200 RPM vs 5400 RPM). The Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk has 1" more HDD size than the Seagate Momentus 5400.2 40GB 8MB 25pk (3.5" vs 2.5"). Interface: Serial ATA II on the Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk, Serial ATA on the Seagate Momentus 5400.2 40GB 8MB 25pk. Operating voltage: 5 / 12 V on the Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk, 5 V on the Seagate Momentus 5400.2 40GB 8MB 25pk.

HDD capacity
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:160 GB
- Momentus 5400.2 40GB 8MB 25pk:40 GB
HDD speed
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:7200 RPM
- Momentus 5400.2 40GB 8MB 25pk:5400 RPM
HDD size
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:3.5"
- Momentus 5400.2 40GB 8MB 25pk:2.5"
Interface
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:Serial ATA II
- Momentus 5400.2 40GB 8MB 25pk:Serial ATA
Storage drive buffer size
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:2 MB
- Momentus 5400.2 40GB 8MB 25pk:8 MB
Average latency
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:4.16 ms
- Momentus 5400.2 40GB 8MB 25pk:5.6 ms
Power consumption (standby)
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:0.8 W
- Momentus 5400.2 40GB 8MB 25pk:0.28 W
Operating voltage
- Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk:5 / 12 V
- Momentus 5400.2 40GB 8MB 25pk:5 V

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk, Momentus 5400.2 40GB 8MB 25pk
28 specifications	A Seagate Barracuda 7200.10 160GB SATA 3Gb/s NCQ 25pk View product	B Seagate Momentus 5400.2 40GB 8MB 25pk View product
Features6 differ
HDD capacityDiffers	160 GB	40 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	2 MB	8 MB
HDD number of headsKnown for one	2	Unknown — not stated by the source
Track to track seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	5.6 ms
Component forKnown for one	Unknown — not stated by the source	Laptop
Average seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Power2 differ
Power consumption (standby)Differs	0.8 W	0.28 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Non-operating shockDiffers	300 G	900 G
Operating shockKnown for one	Unknown — not stated by the source	250 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	380 g	100 g
Other featuresidentical
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Compatible productsKnown for one	PCs	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.7 dB	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Mac compatibilityKnown for one	Unknown — not stated by the source	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More internal hard drive comparisons

All internal hard drive comparisons